期刊
NATURE PHYSICS
卷 9, 期 3, 页码 191-197出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nphys2535
关键词
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资金
- NSF [DMS-1057128, DMS-0709212]
- LANL LDRD project Optimization and Control Theory for Smart Grids
- soda Northwestern-Argonne Early Career Investigator Award for Energy Research
- Division Of Mathematical Sciences
- Direct For Mathematical & Physical Scien [1057128] Funding Source: National Science Foundation
An imperative condition for the functioning of a power-grid network is that its power generators remain synchronized. Disturbances can prompt desynchronization, which is a process that has been involved in large power outages. Here we derive a condition under which the desired synchronous state of a power grid is stable, and use this condition to identify tunable parameters of the generators that are determinants of spontaneous synchronization. Our analysis gives rise to an approach to specify parameter assignments that can enhance synchronization of any given network, which we demonstrate for a selection of both test systems and real power grids. These findings may be used to optimize stability and help devise new control schemes, thus offering an additional layer of protection and contributing to the development of smart grids that can recover from failures in real time.
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